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发酵法生产L-谷氨酰胺研究进展 被引量:7

Advance on Production of L-Glutamine by Microbial Fermentation
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摘要 L-谷氨酰胺(L-glutamine,L-Gln)是L-谷氨酸的γ-羧基酰胺化的一种条件性必需氨基酸,临床上主要用于治疗胃肠溃疡、缓解运动疲劳、调节免疫力、增强脑神经机能以及辅助治疗癌症等,是一种极有发展前途的新药。发酵法已成为目前生产L-Gln最常用的方法,但生产规模较小,生产能力远不能满足市场需求。本文对发酵法生产L-Gln的关键技术环节(如菌种选育、发酵工艺和分离纯化)的研究进展进行综述,并详细阐述L-Gln生物合成代谢调控和新型过滤及其藕联技术在下游分离纯化过程中的应用。 L-glutamine (hereafter referred to as L-GIn) is a acylation- γ-carboxy-glutamic acid, which is in the part of protein structure and is the nitrogen source of biomaterial containing nitrogen. L-GIn plays key role in the cure of gastritis and stomach intestine ulcer, relieving of tiredness, regulating immunity, adjusting cerebral nerves and curing cancer. L-GIn at the market is mainly produced through the fermentation process of microbes. This paper briefly reviewed the advanced development of key fermentation technologies, such as the breeding of producing strain, fermentation processes optimization, separation and purification in down-stream process, especially biosynthetic metabolic engineering, new filtration and coupling technology.
出处 《食品科学》 EI CAS CSCD 北大核心 2008年第3期499-503,共5页 Food Science
基金 人事部留学人员科技活动择优资助优秀类项目 教育部留学回国人员科研启动基金项目 湖北省“楚天学者”奖励计划项目 湖北省高等学校优秀中青年科技创新团队资助项目(T200608) 武汉市青年科技晨光计划项目(20065004116-31) 湖北工业大学科学技术基金重大项目(306.18002) 湖北省自然科学基金青年杰出人才资助项目(2006ABB034)
关键词 L-谷氨酰胺 发酵法 菌种选育 代谢工程 发酵工艺优化 分离纯化 L-glutamine fermentation method: breeding of producing strain metabolic engineering fermentation process optimization separation and purification
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